diff --git a/back/srv/dashboard/add b/back/srv/dashboard/add
index 129357c..a386603 100755
--- a/back/srv/dashboard/add
+++ b/back/srv/dashboard/add
@@ -45,7 +45,7 @@ token_fail(){
 }
 saved_token="$(grep "${ip}" "${TOKENS_FILE}" | cut -f2)"
 [ "${saved_token}" == "" ] && token_fail 'missing'
-<<<"${qs}" grep -x "t=${saved_token}" >/dev/null || token_fail 'mismatched'
+<<<"${qs}" grep -qx "t=${saved_token}" || token_fail 'mismatched'
 printf '%s token was valid\n' "${ip}" >>"${LOGFILE}"
 
 # Check user
@@ -54,7 +54,7 @@ username="$("${LIB_DIR}/ns_lookup_rdns" "${REMOTE_ADDR}" | cut -d'.' -f2)" || (
 	printf 'User not found' | "${LIB_DIR}/http_res" 403
 	exit 17
 )
-printf '%s identified as %s\n' "${ip}" "${username}"  >>"${LOGFILE}"
+printf '%s identified as %s\n' "${ip}" "${username}" >>"${LOGFILE}"
 domain="${hostname}.${username}.${TLD}"
 
 # Check if new peer already exists
@@ -75,7 +75,7 @@ ipv6s="$(<<<"${peers}" awk '{print $3}')"
 usernumber="$(<<<"${ipv4s}" head -n1 | cut -d'.' -f3)"
 # Increment hostnumber from 1 until an unused one is found
 used_hostnumbers="$(<<<"${ipv4s}" cut -d'.' -f4 | sort | uniq)"
-hostnumber=1; while <<<"${used_hostnumbers}" grep "${hostnumber}"
+hostnumber=1; while <<<"${used_hostnumbers}" grep -q "${hostnumber}"
 	do ((hostnumber++))
 done
 ipv4="${IPV4_NET%.*.*}.${usernumber}.${hostnumber}"